WAKE 9 Speed Bike Cassette Flywheel Lightweight 11?42T Road Mountain Bicycle Freewheel

Feature: 1. High strength steel material, adopt hardening technology, wear and high temperature resistance, anti rust and not deformed, impact resistance. 2. Special tooth shape and slope provide fast and accurate index conversion, irregular lose tooth design, strong compatibility, and sensitive shifting. 3. The hollow design reduces the burden of riding, balances strength and weight, and is an ideal choice for reducing the weight of the bicycle. 4. Easy to install and use, direct replacement without any adjustment to the transmission system, great accessory for mountain bikes and road bikes. 5. Small teeth are often used, the independent small teeth design is convenient for future replacement and maintenance. Specification: Item Type: Bicycle Flywheel Material: High Strength Steel Speed: 9 Speed Number of Gear Teeth: 111316202428323642T. Package List: 1 x Bicycle Flywheel2 x Gear Ring1 x Lock RingHigh strength steel material, adopt hardening technology, wear and high temperature resistance, anti rust and not deformed, impact resistance. Special tooth shape and slope provide fast and accurate index conversion, irregular lose tooth design, strong compatibility, and sensitive shifting. The hollow design reduces the burden of riding, balances strength and weight, and is an ideal choice for reducing the weight of the bicycle. Easy to install and use, direct replacement without any adjustment to the transmission system, great accessory for mountain bikes and road bikes. Small teeth are often used, the independent small teeth design is convenient for future replacement and maintenance.